OE-183 Increased DNA Oxidation in Patients with Coronary Spastic Angina(Urinary 8-hydroxy-2'-deoxyguanosine to Urinary Creatinine Ratio Reflects the Disease Activity)(Angina pectoris, basic/clinical-1 (IHD) OE31,Oral Presentation (English),The 70th Anniversary Annual Scientific Meeting of the Japanese Circulation Society)